Dual track



FIG. 1 is a top perspective view of a dual track showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a top view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the dual track that form no part of the claimed design. 

CLAIM The ornamental design for a dual track, as shown and described. 